AFI

AFI may refer to:


 * Actual flip-angle imaging, a type of magnetic resonance imaging(MRI)
 * Address-family identifier, a 16 bit field of the Routing Information Protocol
 * AFI (band), an American rock band
 * AFI (2004 album), a retrospective album by AFI released in 2004
 * AFI (2017 album), the tenth studio album by AFI
 * Afi, Iran, a village in East Azerbaijan Province, Iran
 * Agencia Federal de Inteligencia, the Argentine national intelligence agency
 * Agencia Federal de Investigación (Federal Investigations Agency), a Mexican agency
 * Air Force Instruction, documented instructions for members of the United States Air Force
 * Akrukay language, a Ramu language of Papua New Guinea
 * Alliance for Financial Inclusion, an organization of central bank regulators from the developing world
 * American Film Institute, an independent non-profit film organization
 * American Football Israel, a nonprofit sports organization
 * Amniotic fluid index, a measure of the amount of amniotic fluid of a fetus
 * Aniridia Foundation International, a support organization for people with Aniridia and family members
 * Application Family Identifier, an 8 bit field of an RFID tag
 * Aquarium Fish International , a monthly magazine published in North America (1988–2012)
 * Armed Forces Insurance, insurance company for American military professionals
 * Ashton Fletcher Irwin (born 1994), an Australian drummer
 * Association des Femmes Ivoiriennes, women's organization in the Ivory Coast
 * Australian Film Institute, an organisation that promotes Australian film and television
 * Nikon AF-I, a type of Nikon F-mount lens